Finding the Third Proportional to 5,099.63 and 12,117.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.63 : 12,117.94 = 12,117.94 : x
2. Step 2: Convert to fraction form
   5,099.63/12,117.94 = 12,117.94/x
3. Step 3: Cross multiply
   5,099.63x = 12,117.94 × 12,117.94
4. Step 4: Simplify right side
   5,099.63x = 146,844,409.25
5. Step 5: Solve for x
   x = 146,844,409.25/5,099.63
6. Step 6: Final answer
   x = 28,795.14